PISTON KIT MX 85 23666C

Cast OE replacement piston Gravity-cast aluminum alloy (not forged) with 18% silicone content Kit includes piston, rings, wrist pin and circlips Piston is heat treated with a T-5 hardening and tempering cycle Piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life